Patents Examined by Meiya Li
  • Patent number: 11683936
    Abstract: A semiconductor memory structure and method of manufacturing a semiconductor memory structure are provided. The semiconductor memory structure includes alternatively arranged stacking portions and cell regions. Each cell region includes two ferroelectric layers formed along the adjacent stacking portions; and at least one central portion disposed between the ferroelectric layers and including a first conductive structure and a second conductive structure separated by a channel isolation structure as well as two semiconductor layers formed along the ferroelectric layers. The first conductive structure includes a contact portion and an extension portion. The contact portion is disposed between the semiconductor layers. The extension portion extends from the contact portion to the channel isolation structure and is separated from the semiconductor layers through dielectric layers.
    Type: Grant
    Filed: January 5, 2021
    Date of Patent: June 20, 2023
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD.
    Inventors: Meng-Han Lin, Chia-En Huang
  • Patent number: 11678517
    Abstract: A display device includes a first active pattern, a first compensation gate electrode disposed on the first active pattern, including a first electrode extension part extending in a first direction and a first electrode protrusion part protruding from the first electrode extension part in a second direction crossing the first direction, and a compensation gate line disposed on the first compensation gate electrode and including a line extension part extending in the first direction and a first line protrusion part protruding from the line extension part in the second direction. The line extension part contacts the first electrode extension part through a first contact hole, wherein the first contact hole may overlap the first electrode extension part. The first line protrusion part may contact the first electrode protrusion part through a second contact hole, wherein the second contact hole may overlap the first electrode protrusion part.
    Type: Grant
    Filed: June 3, 2021
    Date of Patent: June 13, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventor: Taejong Eom
  • Patent number: 11678539
    Abstract: A display unit includes a substrate including a pixel region including a plurality of pixels and a peripheral region. The display unit includes a plurality of first electrodes, wherein each of the plurality of first electrodes is in a corresponding pixel of the plurality of pixels. The display unit includes a second electrode opposed to the first electrode, wherein the second electrode is common for all of the plurality of pixels. The display unit includes an organic layer between the second electrode and the plurality of first electrodes, wherein the organic layer includes a light-emitting layer. The display unit includes a wiring layer between the substrate and the plurality of first electrodes. The display unit includes an auxiliary electrically-conductive layer including an organic electrically-conductive material, wherein the auxiliary electrically-conductive layer is electrically coupled to the second electrode. The auxiliary electrically-conductive layer is in a recess in the wiring layer.
    Type: Grant
    Filed: November 24, 2021
    Date of Patent: June 13, 2023
    Assignee: JOLED INC.
    Inventors: Yasuhiro Terai, Yasuharu Shinokawa, Jiro Yamada, Atsuhito Murai, Masahiko Kondo, Noriteru Maeda
  • Patent number: 11676995
    Abstract: A semiconductor device includes a semiconductor body, an electrode provided on a surface of the semiconductor body. The semiconductor body includes a first semiconductor layer and a second semiconductor layer provided between the first semiconductor layer and the second electrode. The second semiconductor layer includes first and second regions arranged along the surface of the semiconductor body. The first region has a surface contacting the electrode, and the second region includes second conductivity type impurities with a concentration lower than a concentration of the second conductivity type impurities at the surface of the first region. The second semiconductor layer has a first concentration of second conductivity type impurities at a first position in the second region, and a second concentration of second conductivity type impurities at a second position between the first position and the electrode, the second concentration being lower than the first concentration.
    Type: Grant
    Filed: June 21, 2019
    Date of Patent: June 13, 2023
    Assignees: KABUSHIKI KAISHA TOSHIBA, TOSHIBA ELECTRONIC DEVICES & STORAGE CORPORATION
    Inventors: Masato Izumi, Kazutoshi Nakamura
  • Patent number: 11670712
    Abstract: A semiconductor device structure can include: (i) a first semiconductor layer having dopants of a first type; (ii) a second semiconductor layer having the dopants of the first type on the first semiconductor layer, where the second semiconductor layer is lightly-doped relative to the first semiconductor layer; (iii) first and second column regions spaced from each other in the second semiconductor layer, where the second column region is arranged between two of the first column regions; and (iv) first and second first sub-column regions laterally arranged in the second column region, where a doping concentration of the first sub-column region decreases in a direction from the first column region to the second sub-column region, and where a doping concentration of the second sub-column region decreases in a direction from the first column region to the first sub-column region.
    Type: Grant
    Filed: July 2, 2021
    Date of Patent: June 6, 2023
    Assignee: Silergy Semiconductor Technology (Hangzhou) LTD
    Inventor: Zhongping Liao
  • Patent number: 11672126
    Abstract: A three-dimensional memory device including first and second stacking structures and first and second conductive pillars is provided. The first stacking structure includes first stacking layers stacked along a vertical direction. Each first stacking layer includes a first gate layer, a first channel layer, and a first ferroelectric layer between the first gate and channel layers. The second stacking structure is laterally spaced from the first stacking structure and includes second stacking layers stacked along the vertical direction. Each second stacking layer includes a second gate layer, a second channel layer, and a second ferroelectric layer is between the second gate and channel layers. The first and second gate layers are disposed between the first and second ferroelectric layers, and the first and second conductive pillars extend along the vertical direction in contact respectively with the first and second channel layers.
    Type: Grant
    Filed: December 30, 2020
    Date of Patent: June 6, 2023
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Chao-I Wu, Sai-Hooi Yeong, Yu-Ming Lin, Han-Jong Chia
  • Patent number: 11664446
    Abstract: Disclosed herein are single electron transistor (SET) devices, and related methods and devices. In some embodiments, a SET device may include: first and second source/drain (S/D) electrodes; a plurality of islands, disposed between the first and second S/D electrodes; and dielectric material disposed between adjacent ones of the islands, between the first S/D electrode and an adjacent one of the islands, and between the second S/D electrode and an adjacent one of the islands.
    Type: Grant
    Filed: September 7, 2021
    Date of Patent: May 30, 2023
    Assignee: Intel Corporation
    Inventors: Hubert C. George, James S. Clarke
  • Patent number: 11658236
    Abstract: A III-nitride semiconductor based heterojunction power device including: a first heterojunction transistor formed on a substrate, and a second heterojunction transistor formed on the substrate. One of the first heterojunction transistor and the second heterojunction transistor is an enhancement mode field effect transistor and the other one of the first heterojunction transistor and the second heterojunction transistor is a depletion mode field effect transistor. The enhancement mode transistor acts as a main power switch, and the depletion mode transistor acts as a start-up component.
    Type: Grant
    Filed: May 7, 2019
    Date of Patent: May 23, 2023
    Assignee: CAMBRIDGE GAN DEVICES LIMITED
    Inventors: Florin Udrea, Loizos Efthymiou, Giorgia Longobardi, Martin Arnold
  • Patent number: 11640974
    Abstract: A memory cell includes a thin film transistor over a semiconductor substrate. The thin film transistor includes a memory film contacting a word line; and an oxide semiconductor (OS) layer contacting a source line and a bit line, wherein the memory film is disposed between the OS layer and the word line; and a dielectric material separating the source line and the bit line. The dielectric material forms an interface with the OS layer. The dielectric material comprises hydrogen, and a hydrogen concentration at the interface between the dielectric material and the OS layer is no more than 3 atomic percent (at %).
    Type: Grant
    Filed: December 11, 2020
    Date of Patent: May 2, 2023
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Kuo-Chang Chiang, Hung-Chang Sun, Sheng-Chih Lai, Tsuching Yang, Yu-Wei Jiang
  • Patent number: 11626321
    Abstract: Systems and methods herein are related to the formation of optical devices including stacked optical element layers using silicon wafers, glass, or devices as substrates. The optical elements discussed herein can be fabricated on temporary or permanent substrates. In some examples, the optical devices are fabricated to include transparent substrates or devices including charge-coupled devices (CCD), or complementary metal-oxide semiconductor (CMOS) image sensors, light-emitting diodes (LED), a micro-LED (uLED) display, organic light-emitting diode (OLED) or vertical-cavity surface-emitting laser (VCSELs). The optical elements can have interlayers formed in between optical element layers, where the interlayers can range in thickness from 1 nm to 3 mm.
    Type: Grant
    Filed: May 22, 2020
    Date of Patent: April 11, 2023
    Assignee: APPLIED MATERIALS, INC.
    Inventors: Ludovic Godet, Wayne McMillan, Rutger Meyer Timmerman Thijssen, Naamah Argaman, Tapashree Roy, Sage Toko Garrett Doshay
  • Patent number: 11626442
    Abstract: Various embodiments of the present disclosure are directed towards methods for forming an image sensor in which a device layer overlies and has a different semiconductor material than a substrate and in which the device layer has high crystalline quality. Some embodiments of the methods include: epitaxially growing the device layer on the substrate; patterning the device layer to form a trench dividing the device layer into mesa structures corresponding to pixels; forming an inter-pixel dielectric layer filling the trench and separating the mesa structures; and forming photodetectors in the mesa structures. Other embodiments of the methods include: depositing the inter-pixel dielectric layer over the substrate; patterning the inter-pixel dielectric layer to form cavities corresponding to the pixels; epitaxially growing the mesa structures in the cavities; and forming the photodetectors in the mesa structures.
    Type: Grant
    Filed: August 10, 2020
    Date of Patent: April 11, 2023
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Chiao-Chi Wang, Chung-Chuan Tseng, Chia-Ping Lai, Szu-Chien Tseng, Yeh-Hsun Fang
  • Patent number: 11621344
    Abstract: A device includes a semiconductor fin, a first epitaxy structure and a gate stack. The semiconductor fin protrudes from a substrate. The first epitaxy feature laterally surrounds a first portion of the semiconductor fin. The gate stack laterally surrounds a second portion of the semiconductor fin above the first portion of the semiconductor fin, wherein the second portion of the semiconductor fin has a lower surface roughness than the first epitaxy feature.
    Type: Grant
    Filed: October 7, 2020
    Date of Patent: April 4, 2023
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Wei-Sheng Yun, Shao-Ming Yu, Tung-Ying Lee, Chih-Chieh Yeh
  • Patent number: 11588024
    Abstract: A semiconductor device includes a type IV semiconductor base substrate, a first type III-V semiconductor layer formed on a first surface of the base substrate, and a second type III-V semiconductor layer with a different bandgap as the first type III-V being formed on the first type III-V semiconductor layer. The semiconductor device further includes first and second electrically conductive device terminals each being formed on the second type III-V semiconductor layer and each being in ohmic contact with the two-dimensional charge carrier gas. The base substrate includes a first highly doped island that is disposed directly beneath the second device terminal and extends to the first surface of the base substrate. The first highly-doped island is laterally disposed between portions of semiconductor material having a lower net doping concentration than the first highly-doped island.
    Type: Grant
    Filed: March 17, 2017
    Date of Patent: February 21, 2023
    Assignee: Infineon Technologies Austria AG
    Inventors: Shu Yang, Giorgia Longobardi, Florin Udrea, Dario Pagnano, Gianluca Camuso, Jinming Sun, Mohamed Imam, Alain Charles
  • Patent number: 11545443
    Abstract: A method for forming a hybrid-bonding structure is provided. The method includes forming a first dielectric layer over a first semiconductor substrate. The first semiconductor substrate includes a conductive structure. The method also includes partially removing the first dielectric layer to form a first dielectric dummy pattern, a second dielectric dummy pattern and a third dielectric dummy pattern and an opening through the first dielectric layer. The first dielectric dummy pattern, the second dielectric dummy pattern and the third dielectric dummy pattern are surrounded by the opening. In addition, the method includes forming a first conductive line in the opening. The first conductive line is in contact with the conductive structure.
    Type: Grant
    Filed: September 24, 2020
    Date of Patent: January 3, 2023
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Kuo-Ming Wu, Kuan-Liang Liu, Pao-Tung Chen
  • Patent number: 11545412
    Abstract: A package structure including a circuit board and a heat generating element is provided. The circuit board includes a plurality of circuit layers and a composite material layer. A thermal conductivity of the composite material layer is between 450 W/mK and 700 W/mK. The heat generating element is disposed on the circuit board and electrically connected to the circuit layers. Heat generated by the heat generating element is transmitted to an external environment through the composite material layer.
    Type: Grant
    Filed: November 19, 2020
    Date of Patent: January 3, 2023
    Assignee: Unimicron Technology Corp.
    Inventors: Pei-Wei Wang, Ching Sheng Chen, Ra-Min Tain, Ming-Hao Wu, Hsuan-Wei Chen
  • Patent number: 11508754
    Abstract: A semiconductor memory structure includes a substrate, two doped regions in the substrate, a plurality of gate layers, a plurality of insulating layers, a column over the substrate, a charge-trapping layer, and a channel layer. The substrate includes dopants of a first conductivity type, and the two doped regions include dopants of a second conductivity type complementary to the first conductivity type. The gate layers and the insulating layers are alternately stacked over the substrate. The column penetrates the gate layers and the insulating layers, and includes an isolation structure, a source structure and a drain structure. at two sides of the isolation structure. The charge-trapping layer is at two sides of the column, and the channel layer is between the charge-trapping layer and the column. A bottom surface of the charge-trapping layer is in contact with the substrate and separated from the two doped regions.
    Type: Grant
    Filed: January 5, 2021
    Date of Patent: November 22, 2022
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD.
    Inventors: Nuo Xu, Sai-Hooi Yeong, Yu-Ming Lin, Zhiqiang Wu
  • Patent number: 11495577
    Abstract: Semiconductor devices having through-stack interconnects for facilitating connectivity testing, and associated systems and methods, are disclosed herein. In one embodiment, a semiconductor device includes a stack of semiconductor dies and a plurality of through-stack interconnects extending through the stack to electrically couple the semiconductor dies. The interconnects include functional interconnects and at least one test interconnect. The test interconnect is positioned in a portion of the stack more prone to connectivity defects than the functional interconnects. Accordingly, testing the connectivity of the test interconnect can provide an indication of the connectivity of the functional interconnects.
    Type: Grant
    Filed: June 5, 2020
    Date of Patent: November 8, 2022
    Assignee: Micron Technology, Inc.
    Inventors: Christian N. Mohr, Scott E. Smith
  • Patent number: 11495735
    Abstract: A spin-current magnetization rotational element includes: a ferromagnetic metal layer; and a spin-orbit torque wiring that extends in a first direction intersecting a stacking direction of the ferromagnetic metal layer and is bonded to the ferromagnetic metal layer. A direction of a spin injected into the ferromagnetic metal layer from the spin-orbit torque wiring intersects a magnetization direction of the ferromagnetic metal layer. The ferromagnetic metal layer has shape anisotropy and has a demagnetizing field distribution caused by the shape anisotropy. The demagnetizing field distribution generates an easy magnetization rotational direction in which the magnetization of the ferromagnetic metal layer is most easily reversed. The easy magnetization rotational direction intersects the first direction in a plan view seen from the stacking direction.
    Type: Grant
    Filed: July 25, 2017
    Date of Patent: November 8, 2022
    Assignee: TDK CORPORATION
    Inventors: Tatsuo Shibata, Tomoyuki Sasaki, Tohru Oikawa
  • Patent number: 11489118
    Abstract: A resistive random access memory (RRAM) device and a method for constructing the device is described. A capping layer structure is provided over a bottom contact where the capping layer includes a recess situated over the bottom contact. A first portion of the recess is filled with a lower electrode such that the width of the recess defines the width of the lower electrode. A second portion of the recess is filled with a high-K layer so that a bottom surface of the high-K layer has a stepped profile. A top electrode is formed on the high-K layer and a top contact is formed on the top electrode. The width of the high-K layer is greater than the width of the lower electrode to prevent shorting between the top contact and the lower electrode of the RRAM device.
    Type: Grant
    Filed: March 4, 2019
    Date of Patent: November 1, 2022
    Assignee: International Business Machines Corporation
    Inventors: Baozhen Li, Chih-Chao Yang, Ernest Y Wu, Andrew Tae Kim
  • Patent number: 11476121
    Abstract: A method provides a gate structure for a plurality of components of a semiconductor device. A silicate layer is provided. In one aspect, the silicate layer is provided on a channel of a CMOS device. A high dielectric constant layer is provided on the silicate layer. The method also includes providing a work function metal layer on the high dielectric constant layer. A low temperature anneal is performed after the high dielectric constant layer is provided. A contact metal layer is provided on the work function metal layer.
    Type: Grant
    Filed: August 26, 2019
    Date of Patent: October 18, 2022
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Wei-E Wang, Mark S. Rodder, Borna J. Obradovic